Impact wrench



FIG. 1 is an isometric view showing our new design;

FIG. 2 is top plan view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is rear elevation view thereof; and,

FIG. 7 is a bottom plan view thereof.

I claim the ornamental design for an impact wrench, as shown.